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种衣剂又称种子处理剂,是指应用化学型、生物型、泥浆型等种子处理剂对种子进行处理。种衣剂是以种子为载体的地下隐蔽施药,靶标性强,有效成分持效期延长到45～60d,而地上部喷洒有效成分持效期为7～15d,减少了化学农药地上部喷洒2～3次,因而最大限度地减少了农药对环境的污染和农药公害,有利于保护天敌和生态平衡。
Seed coating agent, also known as seed treatment agent, refers to the application of chemical type, biological type, mud-type seed treatment agent for seed treatment. Seed coating agent is based on seed as underground concealed pesticide, targeting strong, active ingredient retention period extended to 45 ~ 60d, while the effective spraying of aerial parts of the effective period of 7 ~ 15d, reducing the chemical pesticide spray above the ground 2 to 3 times, thus minimizing pesticide pollution to the environment and pesticide pollution, which helps to protect natural enemies and ecological balance.